CVE-2026-21639

A malicious actor in Wi-Fi range of the affected product could leverage a vulnerability in the airMAX Wireless Protocol to achieve a remote code execution (RCE) within the affected product.



Affected Products:

airMAX AC (Version 8.7.20 and earlier)
airMAX M (Version 6.3.22 and earlier)
airFiber AF60-XG (Version 1.2.2 and earlier)
airFiber AF60 (Version 2.6.7 and earlier)



Mitigation:

Update your airMAX AC to Version 8.7.21 or later.
Update your airMAX M to Version 6.3.24 or later.
Update your airFiber AF60-XG to Version 1.2.3 or later.
Update your airFiber AF60 to Version 2.6.8 or later.

More information : https://community.ui.com/releases/Security-Advisory-Bulletin-061-061/1e4fe5f8-29c7-4a7d-a518-01b1537983ba